<template>
  <!-- 导航组 -->
  <view v-show="menus.length" :style="[boxStyle]">
    <view v-if="isMany === 1">
      <view class="swiper">
        <swiper
          :interval="interval"
          :duration="duration"
          :style="'height:' + navHigh + 'px;'"
          @change="bannerfun"
        >
          <block>
            <swiper-item v-for="(item, indexw) in menuList" :key="indexw">
              <view
                class="menu acea-row"
                :id="'nav' + indexw"
                :style="[gridColumns]"
              >
                <view
                  :style="[titleColor]"
                  class="item"
                  :class="number === 1 ? 'four' : number === 2 ? 'five' : ''"
                  v-for="(itemn, indexn) in item.list"
                  :key="indexn"
                  @click="menusTap(itemn)"
                >
                  <view class="pictrue skeleton-radius">
                    <easy-loadimage
                      :image-src="itemn.img"
                      :radius="dataConfig.contentStyle.val"
                    >
                    </easy-loadimage>
                  </view>
                  <view class="menu-txt">{{ itemn.info[0].value }}</view>
                </view>
              </view>
            </swiper-item>
          </block>
        </swiper>
      </view>
      <view
        class="dot acea-row row-center-wrapper"
        v-if="docConfig < 2 && menuList.length > 1"
      >
        <view
          class="dot-item line_dot-item"
          :style="active == index ? 'background:' + dotColor : ''"
          v-for="(item, index) in menuList"
          :key="index"
        ></view>
      </view>
    </view>
    <view class="nav oneNav" v-else>
      <scroll-view
        scroll-x="true"
        style="white-space: nowrap; display: flex"
        show-scrollbar="false"
      >
        <block v-for="(item, index) in menus" :key="index">
          <view
            class="item"
            v-if="item.status"
            :style="[titleColor]"
            @click="menusTap(item.info[1].value)"
          >
            <view class="pictrue skeleton-radius">
              <easy-loadimage
                :image-src="item.img"
                :radius="dataConfig.contentStyle.val"
              >
              </easy-loadimage>
            </view>
            <view class="menu-txt">{{ item.info[0].value }}</view>
          </view>
        </block>
      </scroll-view>
    </view>
  </view>
</template>

<script>
import easyLoadimage from "@/components/base/easy-loadimage.vue";
export default {
  name: "menus",
  props: {
    dataConfig: {
      type: Object,
      default: () => {},
    },
  },
  components: {
    easyLoadimage,
  },
  data() {
    return {
      interval: 3000,
      duration: 500,
      menus: this.dataConfig.menuConfig.list || [],
      rowsNum: this.dataConfig.rowsNum.tabVal,
      number: this.dataConfig.number.tabVal,
      isMany: this.dataConfig.tabConfig.tabVal,
      docConfig: 0,
      dotColor: "#E93323",
      menuList: [],
      active: 0,
      navHigh: 0,
    };
  },
  computed: {
    //最外层盒子的样式
    boxStyle() {
      return {
        borderRadius: this.dataConfig.bgStyle.val * 2 + "rpx",
        background: `linear-gradient(${this.dataConfig.bgColor.color[0].item}, ${this.dataConfig.bgColor.color[1].item})`,
        margin:
          this.dataConfig.mbConfig.val * 2 +
          "rpx" +
          " " +
          this.dataConfig.lrConfig.val * 2 +
          "rpx" +
          " " +
          0,
        padding:
          (this.dataConfig.upConfig.val + 8) * 2 +
          "rpx" +
          " " +
          0 +
          " " +
          (this.dataConfig.downConfig.val + 8) * 2 +
          "rpx",
      };
    },
    //分几行展示，一行展示多少个
    gridColumns() {
      if (this.dataConfig.number.tabVal == 0) {
        return {
          gridRowGap: (this.dataConfig.contentConfig.val + 3) * 2 + "rpx",
          gridTemplateColumns: "repeat(3, 1fr)",
        };
      } else if (this.dataConfig.number.tabVal == 1) {
        return {
          gridRowGap: (this.dataConfig.contentConfig.val + 3) * 2 + "rpx",
          gridTemplateColumns: "repeat(4, 1fr)",
        };
      } else {
        return {
          gridRowGap: (this.dataConfig.contentConfig.val + 3) * 2 + "rpx",
          gridTemplateColumns: "repeat(5, 1fr)",
        };
      }
    },
    //标题颜色
    titleColor() {
      return {
        color: this.dataConfig.titleColor.color[0].item,
      };
    },
    //内容圆角
    menuStyle() {
      return {
        "border-radius": this.dataConfig.contentStyle.val + "px",
      };
    },
  },
  mounted() {
    if (this.rowsNum === 0) {
      if (this.number === 0) {
        this.pageNum(6);
      } else if (this.number === 1) {
        this.pageNum(8);
      } else {
        this.pageNum(10);
      }
    } else if (this.rowsNum === 1) {
      if (this.number === 0) {
        this.pageNum(9);
      } else if (this.number === 1) {
        this.pageNum(12);
      } else {
        this.pageNum(15);
      }
    } else {
      if (this.number === 0) {
        this.pageNum(12);
      } else if (this.number === 1) {
        this.pageNum(16);
      } else {
        this.pageNum(20);
      }
    }
    this.$nextTick(() => {
      if (this.menuList.length && this.isMany === 1) {
        let that = this;
        // #ifdef H5
        that.menuHeight();
        // #endif
        // #ifndef H5
        setTimeout(() => {
          that.menuHeight();
        }, 150);
        // #endif
      }
    });
  },
  methods: {
    bannerfun(e) {
      this.active = e.detail.current;
    },
    menuHeight() {
      let that = this;
      const query = uni.createSelectorQuery().in(this);
      query
        .select("#nav0")
        .boundingClientRect((data) => {
          that.navHigh = data.height;
        })
        .exec();
    },
    pageNum(num) {
      let menus = this.menus.filter((item) => item.status);
      let count = Math.ceil(menus.length / num);
      let goodArray = new Array();
      for (let i = 0; i < count; i++) {
        let list = menus.slice(i * num, i * num + num);
        if (list.length)
          goodArray.push({
            list: list,
          });
      }
      this.$set(this, "menuList", goodArray);
    },
    menusTap(data) {
      let urls = `/pages/similar_details/index?name=${
        data.info[0].value
      }&mark=${2}`;
      this.$util.navigateTo(urls);
    },
  },
};
</script>

<style lang="scss" scoped>
.dot {
  width: 100%;
  margin-top: 30rpx;

  .instruct {
    width: 50rpx;
    height: 36rpx;
    line-height: 36rpx;
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    border-radius: 16rpx;
    font-size: 24rpx;
    text-align: center;
  }

  .dot-item {
    width: 10rpx;
    height: 10rpx;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    margin: 0 4px;

    &.line_dot-item {
      width: 20rpx;
      height: 5rpx;
      border-radius: 3rpx;
    }
  }
}

.nav {
  .item {
    width: 160rpx;
    text-align: center;
    font-size: 24rpx;
    display: inline-block;

    .pictrue {
      width: 90rpx;
      height: 90rpx;
      margin: 0 auto;

      image {
        width: 100%;
        height: 100%;
        border-radius: 50%;
      }

      &.on {
        image {
          border-radius: 0;
        }
      }
    }

    .menu-txt {
      margin-top: 15rpx;
    }
  }
}

.swiper {
  z-index: 20;
  position: relative;
  overflow: hidden;

  .menu {
    display: grid;
    grid-template-rows: auto;
    width: 100%;
    padding: 0 20rpx;

    .item {
      .pictrue {
        width: 90rpx;
        height: 90rpx;
        margin: 0 auto;

        image {
          width: 100%;
          height: 100%;
          border-radius: 50%;
        }

        &.on {
          image {
            border-radius: 0;
          }
        }
      }

      .menu-txt {
        text-align: center;
        font-size: 24rpx;
        margin-top: 14rpx;
      }
    }
  }

  swiper,
  .swiper-item {
    width: 100%;
    display: block;
  }
}
</style>
